I have a lab for chemistry that I have to turn in soon, and I have no idea what the major and minor species if any of each of the substances we tested. Can someone please help me answer which one is the major/minor species of each of the elements?
They are:

The idea here is that no conductance means the material is not ionized which means the major species is molecular and not ionic. For example, #1 the major material must be H2O (as opposed to H^+ and OH^-).
#5. CaCO3 is slightly soluble. The major component is CaCO3. The minor ones are Ca^+2 and CO3^-2.

#3. NaCl(s). There is no ionization in the solid state. The major component is NaCl.
#4. NaCl(aq). This ionizes to Na^+ and Cl^- and gives strong conductance. The major components are the ions.
You should use this information to answer the other questions posted.

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